Home / 55,310,630.13-76,328,658.07-30,530,810.37

Finding the Fourth Proportional to 55,310,630.13, 76,328,658.07 and 30,530,810.37

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Solution

The fourth proportional to 55,310,630.13, 76,328,658.07 and 30,530,810.37 is: 42,132,511.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,310,630.13 : 76,328,658.07 = 30,530,810.37 : x
  2. Step 2: Convert to fraction form
    55,310,630.13/76,328,658.07 = 30,530,810.37/x
  3. Step 3: Cross multiply
    55,310,630.13x = 76,328,658.07 × 30,530,810.37
  4. Step 4: Simplify right side
    55,310,630.13x = 2,330,375,785,331,740
  5. Step 5: Solve for x
    x = 2,330,375,785,331,740/55,310,630.13
  6. Step 6: Final answer
    x = 42,132,511.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.